ABERDEEN PROVING GROUND, Md.-- U.S. Army researchers developed a new, advanced scientific model that will allow vehicle maintenance specialists to turn to bio-derived fuels in austere locations. With ...

What makes a diesel engine different to a regular gas engine, and is one better than the other?

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...

Heavy-duty trucks account for a quarter of U.S. on-road vehicle energy consumption, despite representing only 1 percent of on-road vehicles. They also burn highly polluting diesel fuels and ...

Technologies for reducing fuel consumption of medium-and heavy-duty vehicles depend on the power train type. For instance, replacing gasoline engines with diesel engines in medium-duty trucks is a ...